Page 7
Oliver Jäkel
Medical Physics
The dose conformation potential:
Carbon ion RT of skull base chordomas
Excellent sparing of normal tissue and highly effective RT
Secondary electrons / deposition patterns
Photons
M. Scholz et al.,
Rad. Res., 2001
Ions
Repair
(p21)
Zelldosis / Gy
Prozentuale Häufigkeit
0
5
10
0 1 2 3 4
Zelldosis / Gy
Prozentuale Häufigkeit
0
20
40
60
80
100
0 1 2 3 4
Cell dose / Gy
Relative Frequency
ࡱഥ
ࢋ
ష
ൎ
MeV
ࡱഥ
ࢋ
ష
ൎ
(k)eV
‚Sea of
Electrons‘
Micro‐
dosimetry
Cell dose / Gy
Rahmanian et al.,
PMB 62, 2017
The meaning of high LET
W m c
e
max
2
1
2
2
2
Max. energy of secondary electrons: